package practice;


    public class SaveMoney {
        public static void main(String args[]) {
            int amount=8000;
            ConstructionBank bank1 = new ConstructionBank();
            bank1.savedMoney = amount;
            bank1.year = 8.236;
            bank1.setInterestRate(0.035) ;
            double interest1 = bank1. computerInterest() ;
            BankOfDalian bank2=new BankOfDalian() ;
            bank2. savedMoney = amount;
            bank2.year = 8.236;
            bank2. setInterestRate (0.035) ;
            double interest2=bank2.computerInterest() ;
            BusinessBank bank3 =new BusinessBank();
            bank3.savedMoney=amount;
            bank3.year=8.236;
            bank3.setInterestRate(0.035) ;
            double interest3= bank3. computerInterest() ;
            System. out.printf ("两个银行利息相差%f元\n",interest2- interest1);
        }
    }


